I've just taken off my Darlek cap to test. I read on here that you can perform a test when you blow through it, it supposed to make a duck noise if it's clear?
Is this true? I have a feeling mine might be gunked up as blown through it & not making any noise?
Darlek Cap testing
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Darlek Cap testing
Holdsworth Villa2 1983 1.9 DG, 4 Speed, LPG & Petrol+underslung leisure tank
- Ian Hulley
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Re: Darlek Cap testing
What symptoms ? Any doubts at all replace from Brickwerks ... the more expensive OE one 

The Hulley's Bus
1989 2.1DJ Trampspotter
LPG courtesy of Steve @ Gasure
1989 2.1DJ Trampspotter
LPG courtesy of Steve @ Gasure